18865200

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:299

約数の個数: 120

約数和(自身を含む): 61504000

約数和(自身を除く): 42638800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 79, 80, 100, 120, 150, 158, 199, 200, 237, 240, 300, 316, 395, 398, 400, 474, 597, 600, 632, 790, 796, 948, 995, 1185, 1194, 1200, 1264, 1580, 1592, 1896, 1975, 1990, 2370, 2388, 2985, 3160, 3184, 3792, 3950, 3980, 4740, 4776, 4975, 5925, 5970, 6320, 7900, 7960, 9480, 9552, 9950, 11850, 11940, 14925, 15721, 15800, 15920, 18960, 19900, 23700, 23880, 29850, 31442, 31600, 39800, 47163, 47400, 47760, 59700, 62884, 78605, 79600, 94326, 94800, 119400, 125768, 157210, 188652, 235815, 238800, 251536, 314420, 377304, 393025, 471630, 628840, 754608, 786050, 943260, 1179075, 1257680, 1572100, 1886520, 2358150, 3144200, 3773040, 4716300, 6288400, 9432600, 18865200]

約数ペア:

[(1, 18865200), (2, 9432600), (3, 6288400), (4, 4716300), (5, 3773040), (6, 3144200), (8, 2358150), (10, 1886520), (12, 1572100), (15, 1257680), (16, 1179075), (20, 943260), (24, 786050), (25, 754608), (30, 628840), (40, 471630), (48, 393025), (50, 377304), (60, 314420), (75, 251536), (79, 238800), (80, 235815), (100, 188652), (120, 157210), (150, 125768), (158, 119400), (199, 94800), (200, 94326), (237, 79600), (240, 78605), (300, 62884), (316, 59700), (395, 47760), (398, 47400), (400, 47163), (474, 39800), (597, 31600), (600, 31442), (632, 29850), (790, 23880), (796, 23700), (948, 19900), (995, 18960), (1185, 15920), (1194, 15800), (1200, 15721), (1264, 14925), (1580, 11940), (1592, 11850), (1896, 9950), (1975, 9552), (1990, 9480), (2370, 7960), (2388, 7900), (2985, 6320), (3160, 5970), (3184, 5925), (3792, 4975), (3950, 4776), (3980, 4740)]